| Value | Category | Cases | |
|---|---|---|---|
| 1 | 33 |
2.3%
|
|
| 2 | 134 |
9.3%
|
|
| 3 | 253 |
17.5%
|
|
| 4 | 274 |
18.9%
|
|
| 5 | 245 |
16.9%
|
|
| 6 | 336 |
23.2%
|
|
| 7 | 164 |
11.3%
|
|
| 9 | not applicable | 8 |
0.6%
|
| Sysmiss | 708 |